PHP Developer's Dictionary- P26:PHP is an open source, server-side, HTML-embedded scripting language used to create dynamically generated Web pages. With an easy-to-use syntax and a large, extensible library of modules, PHP brings together the best of Perl, C++, and other languages. | PHP Developer s Dictionary The iist language construct is used to assign a list of variables in one operation. The construct iist is commonly used to assign multiple return values of a function to variables. next Syntax mixed next array array Description The next function advances the internal pointer by one and returns the element located at this new location. If there are no more elements in array to advance to the function returns false. Note that this function also returns false if the value of the element at this location is empty. pos Syntax mixed pos array array Description The pos function is an alias to the current function. The current function returns the element in array that is currently being pointed to by the internal pointer. Every array has this internal pointer which is initialized to point to the first element inserted into the array. If the internal pointer points beyond the element list the function returns false. prev Syntax mixed prev array array Description The prev function rewinds the internal array pointer by one and returns the element at that location. If there are no previous elements the function returns IT-SC book 125 PHP Developer s Dictionary false. Note that this function also returns false if the value of the element at this location is empty. range Syntax array range int low int high Description The range function which was added in PHP and PHP returns an array of integers from low to high . array1 range 1 4 returns 1 2 3 4 reset Syntax mixed reset array array Description The reset function moves the internal array pointer to the first element in array and returns the value of the first element. rsort Syntax void rsort array array Description The rsort function sorts the array in reverse order highest to lowest . shuffle IT-SC book 126 PHP Developer s Dictionary Syntax void shuffle array array Description The shuffie function which was added in PHP and PHP randomizes the order of the elements in array . .
